Some of the most interesting upside trading setups are showing up in stocks that trade for $15 or less. Here are five of them.

As I write, some of the most interesting upside trading setups are showing up in stocks that trade for $15 or less. Those low-priced stocks come with higher volatility -- both up and down. And by filtering out the high-probability upside setups, you can supercharge your portfolio at the same time that many investors are getting ready for a boring, range-bound market this summer.

Just so we're clear, a low share price doesn't necessarily mean that we're talking about a small company, or even a "cheap" one by valuation standards. In fact, by itself, share price isn't a very useful metric at all. But it's true that lower-priced stocks do tend to trade more actively than pricier stocks of similar market capitalization. And when stocks under $15 start making moves, the gains can be substantial on a percentage basis.

For the unfamiliar, technical analysis is a way for investors to quantify qualitative factors, such as investor psychology, based on a stock's price action and trends. Once the domain of cloistered trading teams on Wall Street, technicals can help top traders make consistently profitable trades and can aid fundamental investors in better planning their stock execution.

Without further ado, let's take a look at five technical setups worth trading now.